[BUG] CHROME extention not working on windows

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

The Chrome browser extension cannot connect to Claude Code. The native host crashes immediately on startup with a Bun internal assertion
failure.

Environment:

• Claude Code version: 2.1.23
• Bun version: 1.3.5 (bundled)
• OS: Windows 11
• Chrome extension version: 1.0.41
• Chrome extension ID: fcoeoabgfenejglbffodgkkbkcdhcgfn

What Should Happen?

Expected Behavior:
Native host should start and establish connection with Chrome extension.

Actual Behavior:
Native host crashes immediately with Bun panic.

Error Messages/Logs

Error Output:
  [Claude Chrome Native Host] Initializing...
  [Claude Chrome Native Host] Creating socket listener: \\.\pipe\claude-mcp-browser-bridge-<username>

  panic(main thread): Internal assertion failure
  oh no: Bun has crashed. This indicates a bug in Bun, not your code.

  To send a redacted crash report to Bun's team,
  please file a GitHub issue using the link below:

  https://bun.report/1.3.5/e_11e86cebEugggC++08F+mvBoxhkf0389e__0shkwCA0eNrzzCtJLcpLzFFILC5OLSrJzM9TSEvMzCktSgUAiSkKPg

Steps to Reproduce

1. Install Claude Code (native installation)
2. Install Chrome extension from https://claude.ai/chrome
3. Enable extension in Chrome
4. Open Claude extension side panel in Chrome
5. Try to use browser automation tools (e.g., tabs_context_mcp)

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.23

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Cursor

Additional Information

• Crash happens consistently on every attempt
• Removed duplicate npm global installation, issue persists
• Native host batch file correctly points to claude.exe --chrome-native-host